A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

There is something which you can be arrested for attempting but not for successfully completing.

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Solve the counting riddle by identifying the number of triangles in the given picture.

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E